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- W36745154 abstract "In 1940, there was a need to set a standard for internal exposure to radium for the instrument industry that required luminous characters painted with radium paint. A committee was convened to review the existing information on the health effects of internal radium. Twenty-seven persons had been studied, seven with burdens of 0.5 {mu}g or less with no health effects and twenty with burdens of 1.2 {mu}g or more with health effects. The radium burden dividing the two groups was assumed at 1 {mu}g (an implied threshold), a safety factor of 10 was applied, and the internal radium standard was set at 0.1 {mu}g, a value that still stands today. Over the next five or six decades, about 2000 subjects were investigated, including many measurements on almost all the subjects. In the intervening years, several analyses of the data, available at each particular time, have been made with radical differences in interpretation." @default.
- W36745154 created "2016-06-24" @default.
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- W36745154 date "1994-12-31" @default.
- W36745154 modified "2023-09-23" @default.
- W36745154 title "Radium in man - 20 years later" @default.
- W36745154 hasPublicationYear "1994" @default.
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